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Signed and encrypted email, trusted digital signatures, and identity validation and authentication’s Business Identity Certificate is delivered on a secure YubiKey FIPS 140.2 Level 2-validated USB token with two-factor authentication, and offers all of these great capabilities in one convenient product:

  • Digital Signatures for Adobe PDF and Microsoft Office
    • Trusted worldwide,’s Business Identity Certificates offer guarantees of authenticity, integrity, and legal non-repudiation for signed digital documents, including Adobe PDF and Microsoft Office.
    • Digital signatures are as legally-binding as signatures in ink.
  • Secure S/MIME Email
    • Exchange digitally signed and encrypted emails between any number of recipients, including group threads.
    • Signed messages display the signer’s name and company information for improved identification of who’s really sending the email, preventing phishing attacks.
    • Strong encryption keeps your messages safe from prying eyes.
  • Client Authentication and Single Sign-On
    • Log into any Windows, Mac, or Linux computer with your YubiKey and PIN.
    • Web application login with mutual SSL/TLS authentication.
Read more about these features in this detailed blog post. Email encryption requires separate OV S/MIME certificate, included with order.
If you already own a YubiKey FIPS that you would like to install Business certificates on, please read our how-to on YubiKey attestation. If you have another FIPS 140-2 Level 2-validated device or cloud HSM service you would like to use, please fill out our HSM attestation request form.

Why choose Business Identity Email, Document Signing, and ClientAuth Certificate?

Digital Signatures for Nonrepudiation of Email Messages and Electronic Documents
Works with Adobe PDF and Microsoft Office
Sign an Unlimited Number of Documents and Email Messages
Certificate Contains Verified Name, Organization, and Email Address
Helps Prevent Email Tampering and Phishing Emails
Uses Secure/Multipurpose Internet Mail Extensions (S/MIME) Protocol
Encrypted Emails Using Highest Strength
RSA and ECC Supported
Mutual SSL/TLS Client Authentication Capable
Secure YubiKey FIPS Token with Two-Factor Authentication
30 Day Unconditional Refund

The Business Identity Certificate from is the perfect way to digitally sign documents, protect your emails from hackers or phishers, and securely sign in to workstations and websites. Increase trust and acceptance for email and documents sent from your organization with your validated name and company information combined with your email address.

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